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ArchangelMadzz said:
epicurean said:

So if time didn't exist before the Big-Bang, then it would be correct to say the universe had a beginning? 

No, because we don't know. 

The universe could have existed forever and has been contracting and expanding to and from a singularity forever. We would likely never know because the big bang destroys any evidence we can detect of what was before by virtue of the event, all science knows so far is that it happened.

 

Good correction.  :).  There are a number of theories.  Personally I prefer the “this is the only Big Bang”, but I am in noooooooooo way qualified to say that :)